| Bearing number |
NJ309 |
| Size (mm) |
45x100x25 |
| Bore Diameter (mm) |
45 |
| Outer Diameter (mm) |
100 |
| Width (mm) |
25 |
| d |
45 mm |
| Fw |
58,5 mm |
| D |
100 mm |
| B |
25 mm |
| C |
25 mm |
| r min. |
1,5 mm |
| r1 min. |
1,5 mm |
| J |
64 mm |
| Weight |
0,877 Kg |
| Basic dynamic load rating (C) |
74 kN |
| Basic static load rating (C0) |
71 kN |
| (Grease) Lubrication Speed |
7 200 r/min |
| E |
86.5 mm |
| F |
58.5 mm |
| d1 |
64 mm |
| rs min |
1.5 mm |
| r1s min |
1.5 mm |
| Radial clearance class |
CN |
| Mass (without HJ ring) |
0.9 kg |
| Dynamic load, C |
74 kN |
| Static load, C0 |
71 kN |
| Fatigue limit load, Cu |
8.7 kN |
| Nlim (oil) |
8,400 rpm |
| Nlim (grease) |
7,200 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.4 Hz |
| Characteristic rolling element frequency, BSF |
4.98 Hz |
| Characteristic outer ring frequency, BPF0 |
4.44 Hz |
| Characteristic inner ring frequency, BPFI |
6.56 Hz |
| da min |
53 mm |
| da max |
57 mm |
| dc min |
66 mm |
| Da max |
92 mm |
| ra max |
1.5 mm |
| Category |
Cylindrical Roller Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.88 |
| Product Group |
B04144 |
| Bore Profile |
Straight |
| Cage Material |
Steel |
| Precision Class |
RBEC 1 | ISO P0 |
| Number of Rows of Rollers |
Single Row |
| Separable |
Inner Ring - One Side |
| Rolling Element |
Cylindrical Roller Bearing |
| Profile |
Complete with Outer and Inner Ring |
| Snap Ring |
No |
| Internal Clearance |
C0-Medium |
| Retainer |
Yes |
| Relubricatable |
Yes |
| Inch - Metric |
Metric |
| Other Features |
1 Rib Inner Ring | 2 Rib Outer Ring | Cage On Outer Ring ID |
| Long Description |
45MM Bore; Straight Bore Profile; 100MM Outside Diameter; 25MM Width; Steel Cage Matetrial; RBEC 1 | ISO P0; Single Row; Inner Ring - One Side Separable; No Snap Ring; Relubricatable; C0-Medium Intern |
| UNSPSC |
31171547 |
| Harmonized Tariff Code |
8482.50.00.00 |
| Noun |
Bearing |
| Manufacturer Item Number |
NJ309 |
| Weight / LBS |
1.943 |
| Outside Diameter |
3.937 Inch | 100 Millimeter |
| Width |
0.984 Inch | 25 Millimeter |
| Bore |
1.772 Inch | 45 Millimeter |
| bore diameter: |
45 mm |
| static load capacity: |
71000 N |
| outside diameter: |
100 mm |
| precision rating: |
ISO Class 0 |
| overall width: |
25 mm |
| maximum rpm: |
8400 rpm |
| flanges: |
(2) Outer Ring, (1) Inner Ring |
| bearing material: |
Hardened Alloy Steel |
| bore type: |
Straight |
| cage material: |
Pressed Steel |
| number of rows: |
1 |
| finish/coating: |
Uncoated |
| internal clearance: |
CN |
| closure type: |
Open |
| operating temperature range: |
-40 to 120 ºC |
| fillet radius: |
1.5 mm |
| dynamic load capacity: |
74000 N |
| manufacturer product page: |
Click here |